Alright, let's work through 48040415 times 13996113 step by step
48040415 × 13996113 = 13996113 × (48040415)
+ 13996113 × 5 that results in 69980565
+ 13996113 × 10 giving us 139961130
+ 13996113 × 400 resulting in 5598445200
+ 13996113 × 0000 that results in 0
+ 13996113 × 40000 what gives us 559844520000
+ 13996113 × 000000 yielding 0
+ 13996113 × 8000000 that equals 111968904000000
+ 13996113 × 40000000 that equals 559844520000000

= 672379076906895
